import React, { useState, useEffect } from 'react';
import {
  Button,
  Box,
  GridLegacy as Grid,
  Typography,
  TextField,
  Divider,
  Autocomplete,
  InputLabel,
  MenuItem,
  FormControl,
  Select,
} from '@mui/material';
import { Add as AddIcon, ArrowBack as ArrowBackIcon } from '@mui/icons-material';
import GridLayout from '../general/GridLayout';
import { EXPERIMENT_TEXTS, EXPERIMENT_VIEWS, REAL_TYPE } from '../../constants';
import Utils from '../../utils/Utils';
import DialogBox from '../general/DialogBox';
// ParameterMenu and other helper components will need to be created - placeholders for now
// import ParameterMenu from './ParameterMenu';
// import * as ExperimentHelper from './ExperimentHelper';

const RANGE_VALUE = 0;
const MAX_TRIALS = 100;

const { RANGE, LIST } = EXPERIMENT_TEXTS;

interface ExperimentEditProps {
  editState?: boolean;
  name?: string | null;
  setView?: (view: string) => void;
  editExperiment?: (name: string, details: any) => void;
  addExperiment?: (name: string, details: any) => void;
  visible?: boolean;
  updates?: any;
  widgets?: any;
  [key: string]: any;
}

/**
 * ExperimentEdit Component
 * Component for editing experiment parameters
 * Placeholder implementation - full functionality pending ParameterMenu and helpers
 */
const ExperimentEdit: React.FC<ExperimentEditProps> = ({
  editState = false,
  name,
  setView,
  editExperiment,
  addExperiment,
  visible = true,
  ...otherProps
}) => {
  const [experimentName, setExperimentName] = useState(name || '');
  const [experimentNameError, setExperimentNameError] = useState<string>('');
  const [parameters, setParameters] = useState<any[]>([
    {
      mapsTo: null,
      type: RANGE,
      min: RANGE_VALUE,
      max: RANGE_VALUE,
      step: RANGE_VALUE,
      inGroup: false,
      error: false,
    },
    {
      mapsTo: null,
      type: LIST,
      values: [],
      inGroup: false,
      val: '',
      error: false,
    },
  ]);

  const handleSave = (): void => {
    if (!experimentName.trim()) {
      setExperimentNameError(EXPERIMENT_TEXTS.ERROR_EXPERIMENT_EMPTY);
      return;
    }

    // Placeholder for save logic
    if (editState && editExperiment) {
      editExperiment(experimentName, { parameters });
    } else if (addExperiment) {
      addExperiment(experimentName, { parameters });
    }

    if (setView) {
      setView(EXPERIMENT_VIEWS.list);
    }
  };

  if (!visible) {
    return null;
  }

  return (
    <GridLayout>
      <Box>
        <Box mb={2} display="flex" alignItems="center">
          <Button
            startIcon={<ArrowBackIcon />}
            onClick={() => setView && setView(EXPERIMENT_VIEWS.list)}
          >
            Back
          </Button>
          <Typography variant="h6" sx={{ ml: 2 }}>
            {editState ? 'Edit Experiment' : 'Create New Experiment'}
          </Typography>
        </Box>

        <Divider sx={{ mb: 2 }} />

        <TextField
          fullWidth
          variant="filled"
          label="Experiment Name"
          value={experimentName}
          onChange={(e) => {
            setExperimentName(e.target.value);
            setExperimentNameError('');
          }}
          error={!!experimentNameError}
          helperText={experimentNameError}
          sx={{ mb: 2 }}
        />

        <Box mb={2}>
          <Typography variant="subtitle1" gutterBottom>
            Parameters
          </Typography>
          <Typography variant="caption" color="textSecondary">
            {EXPERIMENT_TEXTS.WARNING}
          </Typography>
        </Box>

        {/* Parameters list placeholder */}
        <Box mb={2}>
          <Typography variant="body2" color="textSecondary">
            Parameter configuration will be implemented here
          </Typography>
        </Box>

        <Box display="flex" justifyContent="flex-end" mt={2}>
          <Button
            variant="outlined"
            onClick={() => setView && setView(EXPERIMENT_VIEWS.list)}
            sx={{ mr: 2 }}
          >
            Cancel
          </Button>
          <Button variant="contained" color="primary" onClick={handleSave}>
            Save Experiment
          </Button>
        </Box>
      </Box>
    </GridLayout>
  );
};

export default ExperimentEdit;

